1. High efficiency magnetic levitation sonic motor, up to 31000 times per minute brush hair vibration, brushes out dental plaque and tartar. 2. High density brush hair and polished brush hair. 3. 2 brushing modes for different needs, switching via handle or App. 4. IPX7 body & base and replaceable brush head, easy to wash. 5. Delicate process, pleased to eyes and comfortable to hold. 6. Charging once can up to 25 days using time after fully charged (2 times per day, 2 minutes per use). 7. Dentists recommend replace brush head at least once every 3 months.
